[1/2] A street sign for Wall Street is seen outside the New York Stock Exchange (NYSE) in New York City, New York, U.S., July 19, 2021. REUTERS/Andrew Kelly NEW YORK, Feb 17 (Reuters) - Is the IPO winter finally easing? A year after Russia's invasion of Ukraine and an inflation rally fueled a bout of market volatility that prevented most initial public offerings in 2022, last week saw a flurry of listings. It is 15 months since there was a busier week, according to Dealogic data. Five IPOs, including the $638 million offering of solar tech firm Nextracker Inc (NXT.O)...